People Happy, Lawns Not so Much

Tonight and Tomorrow

Lows tonight in the mid 60s city to mid 50s in the cooler 'burbs with comfortable humidity should allow the AC to stay off for another night. Temperatures and humidities will creep up under sunny skies tomorrow with highs 88° to 90&deg.

For the rest of the weekend outlook, see Camden's post below.

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Despite some second-guessing in the earlier comments (myself included), temperatures under brilliant blue skies are topping out in the mid 80s in the immediate Washington DC metro area. National dropped back 2° after hitting 85° at 3pm. In the southern fringes of the region, Fredericksburg and Stafford both reached 88°, as did reliably warm Frederick on the northern side.

Those brown spots in your lawn are harbingers of developing drought. Even after Monday's early showers, the accumulated precipitation deficit for the year so far reached 6" today, or 34%. The gains of April and early May have now been virtually wiped out. Slightly under ¾" of rain has fallen in the 4 weeks since May 20, and the prospects in the next week are not looking very good.

CapitalWeather.com chart from NWS data, photo © Kevin Ambrose